---
- name: nextcloud
  hosts: all
  tasks:

    - name: Create /home/docker/nextcloud.{{inventory_hostname}} dir
      ansible.builtin.file:
        path: /home/docker/nextcloud.{{inventory_hostname}}
        owner: root
        group: docker
        state: directory
        mode: '0550'

    - name: /home/docker/nextcloud.{{inventory_hostname}}/genpw.sh (generate Random PW for Nextcloud and DB)
      blockinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/genpw.sh
        create: yes
        mode: 0550
        owner: root
        group: docker
        marker: "# {mark} ANSIBLE MANAGED BLOCK"
        block: |
          cd /home/docker/nextcloud.{{inventory_hostname}}

          ncadminpassword=$(pwgen -s 32 1)
          mysqluser=$(pwgen -s 32 1)
          mysqlpassword=$(pwgen -s 32 1)
          
          [ -f env ] || echo "MYSQL_USER=!MYSQLUSER!
          MYSQL_PASSWORD=!MYSQLPASSWORD!
          NEXTCLOUD_ADMIN_PASSWORD=!NCADMINPASSWORD!
          " >env
          
          [ -f env.db ] || echo "MARIADB_USER=!MYSQLUSER!
          MARIADB_PASSWORD=!MYSQLPASSWORD!
          " >env.db
          
          [ -f env.phpmyadmin ] || echo "PMA_USER=!MYSQLUSER!
          PMA_PASSWORD=!MYSQLPASSWORD!
          " >env.phpmyadmin
          
          chmod 440 env env.db env.phpmyadmin
          chown root:docker env env.db env.phpmyadmin
          sed -i "s/\!MYSQLUSER\!/$mysqluser/g" env env.db env.phpmyadmin
          sed -i "s/\!MYSQLPASSWORD\!/$mysqlpassword/g" env env.db env.phpmyadmin
          sed -i "s/\!NCADMINPASSWORD\!/$ncadminpassword/g" env
        backup: yes
        validate: /bin/bash -n %s
      notify: run genpw.sh

    - name: /home/docker/nextcloud.{{inventory_hostname}}/genpw.sh shebang
      lineinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/genpw.sh
        insertbefore: BOF
        line: "#!/bin/bash -e"

    - name: Gen initial passwords if not exists
      ansible.builtin.shell: ./genpw.sh
      args:
        chdir: /home/docker/nextcloud.{{inventory_hostname}}
        creates: /home/docker/nextcloud.{{inventory_hostname}}/env

    - name: /home/docker/nextcloud.{{inventory_hostname}}/remoteip.conf (real IP logging and no Proxy IP)
      blockinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/remoteip.conf
        create: yes
        mode: 0444
        owner: root
        group: docker
        marker: "# {mark} ANSIBLE MANAGED BLOCK"
        block: |
          RemoteIPHeader X-Forwarded-For
          RemoteIPInternalProxy 10.0.0.0/8
          RemoteIPInternalProxy 172.16.0.0/12
          RemoteIPInternalProxy 192.168.0.0/16
        backup: yes
      notify: Restart nextcloud

    - name: /home/docker/nextcloud.{{inventory_hostname}}/turnserver.conf
      blockinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/turnserver.conf
        mode: "0400"
        owner: root
        group: root
        create: yes
        marker: "# {mark} ANSIBLE MANAGED BLOCK"
        block: |
          syslog
          listening-port=3478
          fingerprint
          use-auth-secret
          static-auth-secret=
          realm=nextcloud.{{inventory_hostname}}
          total-quota=100
          bps-capacity=0
          stale-nonce
          no-multicast-peers
        backup: yes

    - name: /home/docker/nextcloud.{{inventory_hostname}}/docker-compose.yml Container Configuration
      blockinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/docker-compose.yml
        create: yes
        mode: 0440
        owner: root
        group: docker
        marker: "# {mark} ANSIBLE MANAGED BLOCK"
        block: |
          version: '3.6'
          services:
            nextcloud.{{inventory_hostname}}:
              image: nextcloud:production
              security_opt:
                - no-new-privileges:true
              restart: unless-stopped
              volumes:
                - ./nextcloud-data:/var/www/html
                - ./remoteip.conf:/etc/apache2/conf-enabled/remoteip.conf:ro
                - /etc/localtime:/etc/localtime:ro
              depends_on:
                - nextcloud.{{inventory_hostname}}--db
                - nextcloud.{{inventory_hostname}}--redis
              env_file: env
              environment:
                - MYSQL_HOST=nextcloud.{{inventory_hostname}}--db
                - MYSQL_DATABASE=nextcloud-db
                - NEXTCLOUD_TRUSTED_DOMAINS=nextcloud.{{inventory_hostname}}
                - TRUSTED_PROXIES=192.168.41.200/24
                - REDIS_HOST=nextcloud.{{inventory_hostname}}--redis
                - SMTP_HOST=mail.{{inventory_hostname}}
                - SMTP_PORT=25
                - MAIL_FROM_ADDRESS=nextcloud
                - MAIL_DOMAIN={{inventory_hostname}}
                - OVERWRITEPROTOCOL=https
                - NEXTCLOUD_ADMIN_USER=ncadmin
              networks:
                - nextcloud.{{inventory_hostname}}--network
                - traefik
              labels:
                - traefik.enable=true
                # HTTPS
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}.rule=Host(`nextcloud.{{ ansible_facts['nodename'] }}`)
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}.entrypoints=https
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}.tls=true
                # Proxy to service-port
                - traefik.http.services.nextcloud-{{ ansible_facts['hostname'] }}.loadbalancer.server.port=80
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}.service=nextcloud-{{ ansible_facts['hostname'] }}
                # cert via letsencrypt
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}.tls.certresolver=letsencrypt
                # Traefik network
                - traefik.docker.network=traefik
                # Nextcloud specific
                # .well-known for dav
                - traefik.http.middlewares.nextcloud-{{ ansible_facts['hostname'] }}-dav.redirectRegex.permanent=true
                - traefik.http.middlewares.nextcloud-{{ ansible_facts['hostname'] }}-dav.redirectRegex.regex=https://(.*)/.well-known/(card|cal)dav
                - traefik.http.middlewares.nextcloud-{{ ansible_facts['hostname'] }}-dav.redirectRegex.replacement=https://$${1}/remote.php/dav/
                # activate secHeaders@file and .well.known
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}.middlewares=secHeaders@file,nextcloud-{{ ansible_facts['hostname'] }}-dav
            
            nextcloud.{{inventory_hostname}}--db:
              image: mariadb:latest
              cap_add:
                - SYS_NICE
              restart: unless-stopped
              volumes:
                - ./nextclouddb-data:/var/lib/mysql
                - /etc/localtime:/etc/localtime:ro
              env_file: env.db
              environment:
                - MARIADB_RANDOM_ROOT_PASSWORD=1
                - MARIADB_DATABASE=nextcloud-db
                - MARIADB_AUTO_UPGRADE=1
                - MARIADB_INITDB_SKIP_TZINFO=1
              networks:
                - nextcloud.{{inventory_hostname}}--network

            nextcloud.{{inventory_hostname}}--redis:
              image: redis:latest
              restart: unless-stopped
              networks:
                - nextcloud.{{inventory_hostname}}--network

            nextcloud.{{inventory_hostname}}--cron:
              image: nextcloud:production
              restart: unless-stopped
              volumes:
                - ./nextcloud-data:/var/www/html
                - /etc/localtime:/etc/localtime:ro
              entrypoint: /cron.sh
              depends_on:
                - nextcloud.{{inventory_hostname}}--db
              networks:
                - nextcloud.{{inventory_hostname}}--network

            nextcloud.{{inventory_hostname}}--phpmyadmin:
              image: phpmyadmin:latest
              restart: unless-stopped
              env_file: env.phpmyadmin
              environment:
                - PMA_ARBITRARY=0
                - PMA_HOST=nextcloud.{{inventory_hostname}}--db
              volumes:
                - /etc/localtime:/etc/localtime:ro
              networks:
                - nextcloud.{{inventory_hostname}}--network
                - traefik
              labels:
                - traefik.enable=true
                # HTTPS
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin.rule=Host(`nextcloud-phpmyadmin.{{ ansible_facts['nodename'] }}`)
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin.entrypoints=https
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin.tls=true
                # Proxy to service-port
                - traefik.http.services.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin.loadbalancer.server.port=80
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin.service=nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin
                # cert via letsencrypt
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin.tls.certresolver=letsencrypt
                # Auth
                - traefik.http.routers.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin.middlewares=secHeaders@file,nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin-auth
                - traefik.http.middlewares.nextcloud-{{ ansible_facts['hostname'] }}--phpmyadmin-auth.basicauth.users=admin:$$apr1$$XLxGs/Ba$$3phZ1a2RtfExOp8x6NFjZ.
                # Traefik network
                - traefik.docker.network=traefik

            nextcloud.{{inventory_hostname}}--coturn:
              image: coturn/coturn:latest
              restart: unless-stopped
              volumes:
                - /etc/localtime:/etc/localtime:ro
                - ./turnserver.conf:/etc/coturn/turnserver.conf
              networks:
                - nextcloud.{{inventory_hostname}}--network
                - traefik
              ports:
                - 3478:3478
                - 3478:3478/udp

          networks:
            nextcloud.{{inventory_hostname}}--network:
              driver: bridge
              driver_opts:
                com.docker.network.bridge.name: br-nextcloud
            traefik:
              external: true

        backup: yes
      notify: Restart nextcloud

    - name: Start nextcloud
      ansible.builtin.shell: docker-compose up -d
      args:
        chdir: /home/docker/nextcloud.{{inventory_hostname}}
        creates: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud-data/config/config.php

    - name: Wait until nextcloud install is finished
      wait_for:
        path: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud-data/config/config.php

    - name: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud-data/config/local.config.php (local nextcloud config)
      blockinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud-data/config/local.config.php
        create: yes
        mode: 0444
        owner: root
        group: docker
        marker: "// {mark} ANSIBLE MANAGED BLOCK"
        block: |
          $CONFIG = array (
            'loglevel' => 1,
            'logtimezone' => 'Europe/Berlin',
            'log_rotate_size' => 10485760,
            'default_phone_region' => 'DE',
            'session_lifetime' => 28800,
            'session_keepalive' => true,
            'skeletondirectory' => '',
          );
        backup: yes

    - name: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud-data/config/local.config.php shebang
      lineinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud-data/config/local.config.php
        insertbefore: BOF
        line: "<?php"

    - name: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud.init.sh
      blockinfile:
        path: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud.init.sh
        mode: "0500"
        owner: root
        group: root
        create: yes
        marker: "# {mark} ANSIBLE MANAGED BLOCK"
        block: |
          # nextcloud
          cd /home/docker/nextcloud.{{inventory_hostname}} || exit 1

          # install/enable apps
          for app in admin_audit bookmarks calendar contacts files_external gpoddersync impersonate maps news notes oauth2 passwords phonetrack photos spreed tasks twofactor_backupcodes twofactor_totp
          do
            [ -f app.${app}.installed ] || docker-compose exec -T -u www-data nextcloud.{{ ansible_facts['hostname'] }}.dedyn.io ./occ app:install ${app} | tee -a nextcloud.init.log >app.${app}.installed 2>&1
            [ -f app.${app}.installed ] || docker-compose exec -T -u www-data nextcloud.{{ ansible_facts['hostname'] }}.dedyn.io ./occ app:enable ${app} | tee -a nextcloud.init.log >app.${app}.installed 2>&1
          done

          # disable apps
          for app in dashboard nextcloud_announcements serverinfo support updatenotification weather_status
          do
            [ -f app.${app}.installed ] || docker-compose exec -T -u www-data nextcloud.{{ ansible_facts['hostname'] }}.dedyn.io ./occ app:disable ${app} | tee -a nextcloud.update.log >app.${app}.disabled 2>&1
          done
          exit 0
        backup: yes
        validate: /bin/bash -n %s
      notify: run nextcloud.init

    - name: Run nextcloud.init after install
      ansible.builtin.shell: bash /home/docker/nextcloud.{{inventory_hostname}}/nextcloud.init.sh
      args:
        chdir: /home/docker/nextcloud.{{inventory_hostname}}
        creates: /home/docker/nextcloud.{{inventory_hostname}}/nextcloud.init.log

    - name: /usr/local/sbin/autoupdate.d/nextcloud.update
      blockinfile:
        path: /usr/local/sbin/autoupdate.d/nextcloud.update
        mode: "0400"
        owner: root
        group: root
        create: yes
        marker: "# {mark} ANSIBLE MANAGED BLOCK"
        block: |
          # Nextcloud maintenance and app-update
          cd /home/docker/nextcloud.{{inventory_hostname}} || continue
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ db:add-missing-columns
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ db:add-missing-indices
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ db:add-missing-primary-keys
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ app:update --all
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ dav:sync-birthday-calendar
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ trashbin:cleanup --all-users
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ files:cleanup
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ files:scan --all
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ maps:scan-photos
          docker-compose exec -T -u www-data nextcloud.{{inventory_hostname}} ./occ db:convert-filecache-bigint -n
        backup: yes
        validate: /bin/bash -n %s
      notify: run nextcloud.update

    - name: Allow turn for talk/spreed audio/video tcp
      community.general.ufw:
        rule: allow
        port: '3478'
        proto: tcp

    - name: Allow turn for talk/spreed audio/video udp
      community.general.ufw:
        rule: allow
        port: '3478'
        proto: udp


  handlers:
    - name: run genpw.sh
      ansible.builtin.shell: ./genpw.sh
      args:
        chdir: /home/docker/nextcloud.{{inventory_hostname}}
      notify: Restart nextcloud

    - name: run nextcloud.update
      ansible.builtin.shell: bash /usr/local/sbin/autoupdate.d/nextcloud.update

    - name: run nextcloud.init
      ansible.builtin.shell: bash /home/docker/nextcloud.{{inventory_hostname}}/nextcloud.init.sh

    - name: Restart nextcloud
      ansible.builtin.shell: docker-compose up -d
      args:
        chdir: /home/docker/nextcloud.{{inventory_hostname}}